I want to watch a Solidity contract using the Mist browser. I know how to do that and it needs the address and the json. I have the address, but I don't have the json. I do have the source code.
Can ...

In all the tutorials I'm watching nobody specifies public, but remix presents warnings that function visibility has not been specified, and public is assumed.
Since I don't like warnings if possible,...

When I deploy a contract with Truffle that has an import statement, and try to verify it on etherscan, my understanding is that I need to paste in the contents of the imported file.
I get an error on ...

First, my setup: I use the Azure Ethereum Consortium Template, which creates one transaction node and two mining nodes in my configuration. I use MetaMask Chrome plugin to accept transactions, which I ...

I am very new to blockchain and Ethereum. I want to get started with a BaaS cloud service and develop / execute some smart contracts. I successfully set up the Azure Ethereum template (https://github....

I've reviewed several related SE questions on this topic and I haven't seen an answer. In Remix, I've created two separate .sol files. The files are names file1.sol and file2.sol. The code for the two ...

How to link library in browser-solidity? While creating a contract using library, solidity compiler requires to link the contract with the library. But there is no options in the browser to provide it....

What is the best practice in whitelisting a large amount of addresses in a contract. For example, if I wanted to include 50k addresses into a mapping that will reflect true for only the 50k addresses, ...

After the online remix solidity compiler recently changed design, I can't figure out where I can find the contract's ABI? Does anyone know where it can be found in the new version? Or any other way ...

I found that when I had "Enable optimization" activated while writing a very simple contract with browser Solidity, it reduced a total of two SSTORE opcodes to one. That resulted in 5000 gas saved.
...

I am using Solidity Browser to deploy a contract due to from Library contract method failing #2831 issue. On this following answer https://ethereum.stackexchange.com/a/9181/4575 I have guided to use ...

I'm using Remix and connecting to Testrpc via Metamask.
I can successfully launch contracts to testrpc, but then it hangs on the subsequent calls that Remix makes to the public methods (Remix says "9 ...

I've installed ethereumjs-testrpc and I'm running it with testrpc in my terminal, which I'm pretty sure is working because it outputs Listening on localhost:8545 after listing all the test accounts' ...